Tungsten metal powders are available from avis metal powders in various grades. Their physical properties are includes average particle size [fsss mm] - 1.5-3.0, 4.0-6.0, 6.0 to 9.0 and 9.0-15.0; and apparent density [g/cc] - 2.2-3.0, 3.0-4.0, 3.8-5.8 and 4.0-6.0. Chemical composition: tungsten [%] - 98.8 min; oxygen content - 0.40 max; iron as fe - 0.05 max; molybdenum as mo - 0.03 max; silicon as si - 0.003 max; sodium as na - 0.003 max; potassium as k - 0.001 max; and calcium as ca - 0.002 max; other grain sizes are available with mfr on request. Its principal application are mostly used in the manufacture of diamond segments by hot pressing as additives in the metal matrix to improve the diamond retention and cutting ability.
